|Location|Frequency|Call sign|Network|Call sign meaning|
|---|---|---|---|---|
|Beach|91.9|K220FI (KDPR)|News and Classical||
|Bismarck|90.5|KCND|News and Classical|Capital of North Dakota|
|Bowman|91.9|K220FJ (KDPR)|News and Classical||
|Crosby|91.9|K220FF (KPPW)|News and Classical||
|Devils Lake|91.7|KPPD|News and Classical|Prairie Public Radio Devils Lake|
|Dickinson|89.9|KDPR|News and Classical|Dickinson Public Radio|
|Fargo|91.9|KDSU|Mixed News and Classical & Roots, Rock, and Jazz|North Dakota State University|
|Grand Forks|89.3|KUND-FM|News and Classical|University of North Dakota|
|Grand Forks|90.7|KFJM|Roots, Rock, and Jazz|Folk and Jazz Music|
|Jamestown|91.5|KPRJ|News and Classical|Public Radio Jamestown|
|Hettinger|91.9|K220FG (KDPR)|News and Classical||
|Lisbon|98.3|K252EZ (KDSU)|Mixed News and Classical & Roots, Rock, and Jazz||
|Minot|88.9|KMPR|News and Classical|Minot Public Radio|
|Plentywood, MT|91.9|K220FE (KPPW)|News and Classical||
|Thief River Falls, MN|88.3|K202BK (KUND-FM)|News and Classical||
|Tioga|91.9|K220FH (KPPW)|News and Classical||
|Wahpeton|94.7|K234BX (KDSU)|Mixed News and Classical & Roots, Rock, and Jazz||
|Williston|89.5|KPPR|Roots, Rock, and Jazz|Prairie Public Radio|
|Williston|88.7|KPPW|News and Classical|Prairie Public Williston|

Question: how many stations have frequencies between 88 and 92?
Answer: 18